Transaction not yet indexed

MT6uPU2P9wMc5xRNo7UdYjWUJ3MmFD6qYQTaskxSoE5Bo4Cre7gPco28hbLX3H5Ruf33p5JfPm7asumvF9uUgA5

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.